enum-strs.py

class EnumDirectValueMeta(EnumMeta):
    def __getattribute__(cls, name):
        value = super().__getattribute__(name)
        if isinstance(value, cls):
            value = value.value
        return value

    def __iter__(self):
        for item in super().__iter__():
            yield item


class FilingType(str, Enum, metaclass=EnumDirectValueMeta):
    FORM_8K = "8-k"
    FORM_10K = "10-k"